Lab tests CPT 86431 Inpatient — admitted to hospital

Rheumatoid factor test cost in Morrilton, AR — inpatient

In Morrilton, AR, 1 hospital lists a cash price for rheumatoid factor (RF) test as an inpatient: from $6.12 to $6.12, with a median of $6.12. Across Arkansas, the median is $36.47 at 26 hospitals.

Cash prices at 1 facility for code 86431, as an inpatient (admitted to hospital) . Collected Sep 27, 2026; the hospital files themselves were last updated between Feb 28, 2026 and Feb 28, 2026.

Lowest$6.12St Anthony's Hospital Association
Median$6.12half pay less
Highest$6.12in this market
Difference1.0×highest vs lowest

Where each hospital's price falls

Each dot is one hospital's cash price on a scale from the lowest to the highest in Morrilton, AR.

median
Lowest $6.12Highest $10.45

Hospitals, cheapest first

HospitalCash price List priceInsurers payOff listFile date
St Anthony's Hospital Association lowest Morrilton, AR · (501) 977-2300 RHEUMATOID FACTOR BODY FLUID $6.12 $24.00 — 75% Feb 28, 2026
source file
St Anthony's Hospital Association Morrilton, AR · (501) 977-2300 RA $10.45 $41.00 — 75% Feb 28, 2026
source file

Inpatient: lowest $6.12, median $6.12, highest $6.12.

As an outpatient, the same code is billed by 1 facility here, median $6.12 — that is the price to compare if you are not being admitted.

What it is

Rheumatoid factor is an antibody found in many people with rheumatoid arthritis. The test is part of the workup for joint pain and swelling.

What the price covers

The price usually covers running the test. The blood draw (36415) is often billed as a separate line.